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What is the actual reducing agent of hematite in blast furnace

Question

What is the actual reducing agent of hematite in blast furnace?

A

CO

B

C O_{2}

C

O_{2}

D

None of these

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Text solutionVerified

Reduction of hematite in blast furnace

4 F e O + O_{2} \to 2 F e_{2} O_{3}

F e_{2} O_{3} + CO \to 2 F e_{3} O_{4} + CO_{2}

F e_{2} O_{3} + CO \to F e O + CO_{2}

F e O + CO \to F e + CO_{2}

First calcination and roasting, the ferrous oxide is oxidised to ferric oxide. Then in blast furnace, smelting is done, where it is reduced to get iron.Carbon monoxide is the actual reducing agent of hematite in blast furnace.

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Question Text	What is the actual reducing agent of hematite in blast furnace?
Answer Type	Text solution:1
Upvotes	150